Make const versions GetTemplateURLForKeyword, GetTemplateURLForGUID, GetTemplateURLForHost

chrome/browser/android/locale/special_locale_handler.cc

Index: chrome/browser/android/locale/special_locale_handler.cc
diff --git a/chrome/browser/android/locale/special_locale_handler.cc b/chrome/browser/android/locale/special_locale_handler.cc
index 0f3271f1d1396c34db944dd2a21a57391fc1368d..e1f55b6440295cb26c724571fc97f20d5068a6e2 100644
--- a/chrome/browser/android/locale/special_locale_handler.cc
+++ b/chrome/browser/android/locale/special_locale_handler.cc
@@ -65,8 +65,9 @@ jboolean SpecialLocaleHandler::LoadTemplateUrls(
     return false;
 
   for (const auto& data_url : prepopulated_list) {
-    TemplateURL* existing = template_url_service_->GetTemplateURLForKeyword(
-        data_url.get()->keyword());
+    const TemplateURL* existing =
+        template_url_service_->GetTemplateURLForKeyword(
+            data_url.get()->keyword());
     // Do not add local engines if there is already one.
     if (existing)
       continue;